Instructions / Assembly

TEMPORARILY FASTEN AND SHIM PRODUCT
4
Center
To avoid injury, use at least 2-people to install.
Adequately support the window until completely
fastened.
1. Run a continuous 3/8" bead of sealant around the interior side of
the nail n, on both side jambs and head. A discontinuous bead of
sealant should be applied at the bottom nail n to allow for drainage.
2. Place the window onto the shims and tilt into the rough opening. The
shims must fully and evenly support the sill of the window. Adjust the
shims as needed.
3. From the exterior,
temporarily fasten
the window through
the nailing n
between 3"- 7" from
one uppercorner
(Reference the
Fastener Spacing
Table for a complete
fastening schedule).
Jamb Adjuster
Turn clockwise to rst
click and adjust as needed
NOTE: On some double-hung
operating units, jamb adjuster
hardware is mounted in the
middle installation holes to allow
for some jamb adjustment.
Install jamb adjuster screws until
captured (rst ‘click’), the screw
may then be screwed in or out to
adjust the jamb as needed.
Installation Instructions
for Vinyl Windows with Integral Nailing Fin (JII001)
6
4. Shim at each interlock
of hung windows or in
the center for other style
windows.
5. Shim within 4"- 6" of each
corner on the side and head
jambs. Add additional shims
to the side and head jambs
as necessary to ensure the
window position within the
opening is plumb, level, and
square. Larger windows will
need additional shims. Shims
can be secured with sealant or
adhesive (Reference the Product
Installation Tolerance Table).
Interlock
Shim
Window
frame
1/4"
Sealant
gap
Interior
3"- 7"
Product Installation Tolerance Table
Products must be installed in a manner that Does Not exceed the
tolerance below.
Plumb +/- 1/8"
Level +/- 1/8"
Twist +/- 1/8"
Square +/- 1/8" product sized up to 20 sq. ft.
+/- 1/4" product sized over 20 sq. ft.
6. Inspect window for level, square and twist. Test for proper operation
(remove and reinstall ifnecessary). NOTE: Shims should be cut back
1/4" – 1/2" from the interior of the main window frame.